GitHub user robertwb opened a pull request: https://github.com/apache/beam/pull/2771
[BEAM-1642] Try PTransform-based coder inference before using fallback coder. This is particularly important for fallback coders that claim to provide a coder for Object (or equivalently an unconstrained type parameter). See BEAM-1642. Be sure to do all of the following to help us incorporate your contribution quickly and easily: - [ ] Make sure the PR title is formatted like: `[BEAM-<Jira issue #>] Description of pull request` - [ ] Make sure tests pass via `mvn clean verify`. (Even better, enable Travis-CI on your fork and ensure the whole test matrix passes). - [ ] Replace `<Jira issue #>` in the title with the actual Jira issue number, if there is one. - [ ] If this contribution is large, please file an Apache [Individual Contributor License Agreement](https://www.apache.org/licenses/icla.pdf). --- You can merge this pull request into a Git repository by running: $ git pull https://github.com/robertwb/incubator-beam jira-1642 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/beam/pull/2771.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #2771 ---- commit fdb12f5b8886c0b504b5e1edfc1cfc1eca82b040 Author: Robert Bradshaw <rober...@gmail.com> Date: 2017-04-28T22:53:42Z Try PTransform-based coder inference before using fallback coder. This is particularly important for fallback coders that claim to provide a coder for Object (or equivalently an unconstrained type parameter). See BEAM-1642. ---- --- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. ---